#include<stdio.h>
int main()
{
	int a[10];
	int i,total=0;
	float avg;
	for(i=0;i<10;i++)
	{
		printf("please enter the ten score:\n");
		scanf("%d",&a[i]);
		total+=a[i];
	}
	avg=((float)total/10);
	printf("the result is:%f\n",avg);
	return 0;
}
